C++11 auto variable initialized by nullptr

Question

What is the type of variable "something" in C++ 11 standard initialized by

auto something = nullptr;

?

Answer 1

它的类型是std::nullptr_t ，它是在C ++ 11中引入的单值类型，用于表示空指针，并且可以隐式转换为任何其他指针类型。